The Hidden Reasons Behind Eyebrow Hair Loss

Eyebrow hair loss can occur due to various triggers, some of which are short-term and treatable, while others require professional intervention. One of the most common culprits is excessive tweezing. Consistent trauma to the hair follicles from overzealous shaping can compromise the follicles, resulting in thinning brows in severe instances. Skin conditions such as eczema can disturb the eyebrow region, impeding the natural hair growth cycle.

Another prevalent cause is alopecia areata, a condition where the body’s immune system destroys hair follicles, leading to focal thinning, often affecting the eyebrows. Thyroid imbalances—both underactive thyroid and hyperthyroidism—are strongly associated with eyebrow thinning, particularly the outer third of the brow, کاشت ابرو در تهران a classic indicator of an underactive gland.

Nutritional gaps can also contribute significantly. Deficiencies in key nutrients like zinc can weaken hair follicle integrity, triggering excessive hair loss. This pattern is frequently observed in individuals with restrictive diets.

Hormonal shifts—such as those occurring during pregnancy—can induce eyebrow hair loss as the body adjusts to changing estrogen and progesterone levels.

Prescription drugs—including retinoids—may list hair loss as a potential complication. Infections, especially ringworm, can infect the skin around the eyebrows, killing follicles and preventing regrowth.

Physical trauma such as lacerations can disable hair follicles in the affected zones, making regrowth impossible.

Chronic stress—including trauma—can induce stress-induced shedding, a condition where many hair roots shift prematurely a resting phase, leading to widespread shedding in both eyebrows and scalp.

Finally, the natural aging process slows down hair growth rate and fine-tunes eyebrow density over time, resulting in softer brows as we grow older.

If you experience sudden eyebrow loss, it’s advisable to seek medical advice to determine the triggering factor and explore therapeutic options.